Copyright 2001 John Wiley & Sons, Ltd.doi:10.1002/jrs.701Schiavoni, M. MDi Loreto, H. EHermann, AMack, H.‐GUlic, S. EDella Védova, C. OJohn Wiley & Sons, Ltd.Journal of Raman Spectroscopy
At low temperatures all lines characteristic of the enol forms are doubled in the N-phenyl-substituted derivatives because the rotation of the NHC6H5 group around the CN bond becomes slow and the chemical shifts characteristic of the E and Z isomers are different. We estimated approximate ...